FastSum in an application that helps you check the integrity of your data. Fingerprint your important files now and check the integrity after a network transfer or a CD burning simply by taking the fingerprints again and comparing them with the previously made ones. In the same way you can also find out whether your files had been damaged by viruses, network issues or CD/ DVD burning failures. To save your time FastSum is based on a well-known and time-proven cryptographic MD5 checksum algorithm that makes the calculations and verifications very fast. Process thousends of files and see how it works, this utility is especially designed for such cases and goes easy on your CPU. Furthermore, handy step-by-step Wizards, special filters which enable you to mask specific file types and Internet Explorer shell integration make your work even easier. And you also can work with different lenguages without having any problems because FastSum is absolutely Unicode. Try this Windows utility for your self and descover many other usefull features. Here are some key features of "FastSum Standard Edition":